Addendum No. 3

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February 11, 2016
Date:
Addendum
No. 3
Project: Prospect Mill
SJ Project No:
15023
HCPS Bid No: HRM 16-2
E.S. HVAC Renovations
The work herein shall be considered part of the bid documents for the referenced project and carried out in
accordance with the following supplemental instructions issued in accordance with the Contract Documents without
change in Contract Sum or Contract Time. Acknowledge receipt of addendum on the bid form as indicated.
Item
Description
Project Clarifications:
1.
All work should have a warranty of 2 years to include workmanship, materials, and labor in addition to
manufacturer’s warranty.
Changes to Drawings / Clarifications:
1.
2.
3.
4.
5.
6.
7.
8.
Drawing A2.2: Keynote #1 does not apply to Area A of building. Keynote removed from sheet. (No
sketch issued)
Drawing A3.2 & A3.11: Mechanical louvers to be added to existing doors in Speech 81 and Mentor 80.
(Sketch SK-A.3 attached)
Drawing A3.4 & A3.11: Mechanical louvers to be added to existing doors in Main Office 33. (Sketch SKA.4 attached)
Drawing A3.10: Note added to roof details: Contractor to provide and install any materials in area of
demolition in kind that were destroyed or removed during demolition. (No sketch issued)
Drawing E9.5: Jockey Pump added to drawing. (Sketch SK-E.7 attached)
Drawing E9.17: Jockey Pump Controller added to single line diagram. (Sketch SK-E.8 attached)
Drawing E9.19: Jockey Pump added to Branch Panel PLSE2 Schedule. (Sketch SK-E.9 attached)
Drawing E9.17: Clarification in Standby Generator Sequence of Operations:
2. Power Failure with call for Fire Pump
a. In the event of a power failure under normal conditions, the
emergency generator shall receive a start signal from automatic transfer
switch ATS #1, ATS #2 or Fire Pump Controller.
Changes to Specifications/Clarifications:
1.
2.
3.
4.
Specification Section 09 65 00 – Resilient Flooring: DELETED SECTION – 2.01A Vinyl Sheet
Flooring. ADDED SECTION – 2.01B Luxury Vinyl Tile. (See attached revised specification section)
Specification Section 09 68 16 – Carpeting: CLARIFICATION – The “Hybrid Resilient Sheet
Flooring” product required in Alternate #6 is specified within this section. (No additional document
issued)
Specification Section 10 14 00 – Signage: Appendix E documentation for construction signage added to
end of section. (See attached Appendix E documentation)
Specification Section 10 44 00 – Fire Protection Specialties: Section has been deleted from the
specifications in its entirety. (No additional document issued)
Page 1 of 1
BOYS
75
176 SF
COUNSELOR
82
325 SF
3
MECHANICAL LOUVER TO BE
INSTALLED IN EXISTING
DOOR. REFER TO SHEET A3.11
FOR LOUVER SPECIFICATION.
SPEECH
81
251 SF
CORR.
78
229 SF
MENTOR
80
251 SF
PARTIAL FIRST FLOOR PLAN - AREA A
1
SK-A.3
1/8" = 1'-0"
NOTE ADDED TO SHEET A3.11
3
MECHANICAL LOUVERS TO BE INSTALLED IN EXISTING DOORS NOTED ON PLANS ARE TO BE:
FREE FLOW ACOUSTICAL LOUVER 12"W X 12"H, CARTRIDGE DESIGN - 40YSTC/80YSTC, OR
APPROVED EQUAL, WITH PRE-APPLIED STC3003 ACOUSTICAL LINING, 1/16" THICK WITH AN STC
RATING OF 19. COLOR TO BE DETERMINED BY ARCHITECT.
A3.2 & A3.11
SHEET NO.
15023
PROJECT NO.
SK-A.3
HARFORD COUNTY PUBLIC SCHOOLS
HVAC PROJECT - BID NUMBER HRM 16-2
PROSPECT MILL ELEMENTARY SCHOOL
101 PROSPECT MILL ROAD
BEL AIR, MARYLAND 21015
PSC# 12.012.16 SR
ARCHITECTS
CORPORATE HEADQUARTERS
750 SHIPYARD DRIVE STE. 200
WILMINGTON, DE 19801
P: (302) 425-5233 F: (302) 425-5237
ENGINEERS
FACILITIES SOLUTIONS
Website:
www.StudioJAED.com
E-Mail:
info@StudioJAED.com
This drawing is the property of
StudioJAED and is prepared for
the exclusive use of its clients
at the location indicated. No
other use is authorized or intended.
02/11/16
DATE
3
Addendum #3
HEALTH OFFICE
34A
93 SF
MAIN OFFICE
33
915 SF
3
TLT
32T
25 SF
MECHANICAL LOUVER TO BE
INSTALLED IN EXISTING DOOR.
REFER TO SHEET A3.11 FOR
LOUVER SPECIFICATION.
PRINCIPAL
32
223 SF
ASST PRINCIPAL
31
215 SF
I.F.
30
203 SF
PARTIAL FIRST FLOOR PLAN - AREA C
1
SK-A.4
1/8" = 1'-0"
NOTE ADDED TO SHEET A3.11
3
A3.4 & A3.11
SHEET NO.
15023
PROJECT NO.
SK-A.4
HARFORD COUNTY PUBLIC SCHOOLS
HVAC PROJECT - BID NUMBER HRM 16-2
PROSPECT MILL ELEMENTARY SCHOOL
101 PROSPECT MILL ROAD
BEL AIR, MARYLAND 21015
PSC# 12.012.16 SR
ARCHITECTS
CORPORATE HEADQUARTERS
750 SHIPYARD DRIVE STE. 200
WILMINGTON, DE 19801
P: (302) 425-5233 F: (302) 425-5237
ENGINEERS
FACILITIES SOLUTIONS
Website:
www.StudioJAED.com
E-Mail:
info@StudioJAED.com
This drawing is the property of
StudioJAED and is prepared for
the exclusive use of its clients
at the location indicated. No
other use is authorized or intended.
02/11/16
DATE
MECHANICAL LOUVERS TO BE INSTALLED IN EXISTING DOORS NOTED ON PLANS ARE TO BE:
FREE FLOW ACOUSTICAL LOUVER 12"W X 12"H, CARTRIDGE DESIGN - 40YSTC/80YSTC, OR
APPROVED EQUAL, WITH PRE-APPLIED STC3003 ACOUSTICAL LINING, 1/16" THICK WITH AN STC
RATING OF 19. COLOR TO BE DETERMINED BY ARCHITECT.
3
Addendum #3
NOTE: ELECTRICAL CONTRACTOR SHALL
COORDINATE WITH FIRE PROTECTION SYSTEM
INSTALLER TO PROVIDE AND INSTALL ALL
NECESSARY FLOW AND TAMPER SWITCHES,
NOTIFICATION DEVICES, ETC. AS REQUIRED FOR
INTERFACE WITH NEW FIRE ALARM SYSTEM.
PUMP PANEL (E)
PROPOSED
FIRE PUMP
UH-1
JOCKEY
PUMP
PLSE1 - 11,13,15
PL1A - 2
PLSE1 - 17,19,21
PLSE2 - 18,20,22
GARAGE
90
WASH
91A
3
DRY STORAGE
89S
FIRE PUMP
CONTROLLER
2" THICK CONCRETE
ENCASEMENT AROUND
UNDERGROUND CONDUIT
TLT
91T
PARTIAL ELECTRICAL PLAN - AREA A
1
SK-E.7
15023
PROJECT NO.
E9.5
SHEET NO.
SK-E.7
HARFORD COUNTY PUBLIC SCHOOLS
HVAC PROJECT - BID NUMBER HRM 16-2
PROSPECT MILL ELEMENTARY SCHOOL
101 PROSPECT MILL ROAD
BEL AIR, MARYLAND 21015
PSC# 12.012.16 SR
ARCHITECTS
CORPORATE HEADQUARTERS
750 SHIPYARD DRIVE STE. 200
WILMINGTON, DE 19801
P: (302) 425-5233 F: (302) 425-5237
ENGINEERS
FACILITIES SOLUTIONS
Website:
www.StudioJAED.com
E-Mail:
info@StudioJAED.com
This drawing is the property of
StudioJAED and is prepared for
the exclusive use of its clients
at the location indicated. No
other use is authorized or intended.
02/11/16
DATE
1/8" = 1'-0"
3
Addendum #3
3
JOCKEY PUMP CONTROLLER FIRETROL FTA 550GXG OR
APPROVED EQUAL
.
3#4/0 + 1#4G - 4"C (2HR RATED RHW CABLES)
PLSE2-18, 20, 22
JOCKEY
PUMP
3#10 + 1#12G - 3/4"C
(2HR FIRE RATED RHW CABLES)
FIRE PUMP
40HP, 208Y 3PH
SERVICE ENTRANCE
RATED FIRE PUMP CONTROLLER
FIRETROL-FTA903 OR APPROVED
EQUAL.
PARTIAL ELECTRICAL SINGLE LINE
1
SK-E.8
15023
PROJECT NO.
E9.17
SHEET NO.
SK-E.8
HARFORD COUNTY PUBLIC SCHOOLS
HVAC PROJECT - BID NUMBER HRM 16-2
PROSPECT MILL ELEMENTARY SCHOOL
101 PROSPECT MILL ROAD
BEL AIR, MARYLAND 21015
PSC# 12.012.16 SR
ARCHITECTS
CORPORATE HEADQUARTERS
750 SHIPYARD DRIVE STE. 200
WILMINGTON, DE 19801
P: (302) 425-5233 F: (302) 425-5237
ENGINEERS
FACILITIES SOLUTIONS
Website:
www.StudioJAED.com
E-Mail:
info@StudioJAED.com
This drawing is the property of
StudioJAED and is prepared for
the exclusive use of its clients
at the location indicated. No
other use is authorized or intended.
02/11/16
DATE
NTS
3
Addendum #3
02/11/16
PROJECT NO.
15023
E9.19
SK-E.9
SHEET NO.
HARFORD COUNTY PUBLIC SCHOOLS
101 PROSPECT MILL ROAD
BEL AIR, MARYLAND 21015
PSC# 12.012.16 SR
PROSPECT MILL ELEMENTARY SCHOOL
HVAC PROJECT - BID NUMBER HRM 16-2
3
DATE
ARCHITECTS
P: (302) 425-5233 F: (302) 425-5237
CORPORATE HEADQUARTERS
750 SHIPYARD DRIVE STE. 200
WILMINGTON, DE 19801
E-Mail:
info@StudioJAED.com
FACILITIES SOLUTIONS
Website:
www.StudioJAED.com
ENGINEERS
This drawing is the property of
StudioJAED and is prepared for
the exclusive use of its clients
at the location indicated. No
other use is authorized or intended.
3
Addendum #3
Harford County Public Schools
Prospect Mill ES HVAC Renovation
StudioJAED Project No. 15023
Bid Number HRM 16-2
Bid Documents
RESILIENT FLOORING
09 65 00
January 12, 2016
SECTION 09 65 00
RESILIENT FLOORING
PART 1 GENERAL
1.01 SECTION INCLUDES
A.
Resilient tile flooring.
B.
Resilient base.
C.
Installation accessories.
1.02 RELATED REQUIREMENTS
1.03 REFERENCE STANDARDS
A.
ASTM E648 - Standard Test Method for Critical Radiant Flux of Floor-Covering Systems Using
a Radiant Heat Energy Source.
B.
ASTM F710 - Standard Practice for Preparing Concrete Floors to Receive Resilient Flooring.
C.
ASTM F1066 - Standard Specification for Vinyl Composition Floor Tile.
D.
ASTM F1861 - Standard Specification for Resilient Wall Base.
E.
CAL (CHPS LEM) - Low-Emitting Materials Product List; California Collaborative for High
Performance Schools (CHPS).
F.
GEI (SCH) - GREENGUARD "Children and Schools" Certified Products; GREENGUARD
Environmental Institute.
G.
RFCI (RWP) - Recommended Work Practices for Removal of Resilient Floor Coverings;
Resilient Floor Covering Institute.
H.
SCAQMD 1168 - South Coast Air Quality Management District Rule No.1168; www.aqmd.gov.
I.
SCS (CPD) - SCS Certified Products; Scientific Certification Systems.
1.04 SUBMITTALS
A.
See Section 01 30 00 - Administrative Requirements, for submittal procedures.
B.
Product Data: Provide data on specified products, describing physical and performance
characteristics; including sizes, patterns and colors available; and installation instructions.
C.
Selection Samples: Submit manufacturer's complete set of color samples for Architect's initial
selection.
D.
Verification Samples: Submit two samples, 6x6 inch in size illustrating color and pattern for
each resilient flooring product specified.
1.05 FIELD CONDITIONS
A.
Maintain temperature in storage area between 55 degrees F and 90 degrees F.
B.
Store materials for not less than 48 hours prior to installation in area of installation at a
temperature of 70 degrees F to achieve temperature stability. Thereafter, maintain conditions
above 55 degrees F.
PART 2 PRODUCTS
2.01 TILE FLOORING
A.
Vinyl Composition Tile: Homogeneous, with color extending throughout thickness, and:
1. Minimum Requirements: Comply with ASTM F 1066, of Class corresponding to type
specified. Composition 1, class 2.
2. Critical Radiant Flux (CRF): Minimum 0.45 watt per square centimeter, when tested in
accordance with ASTM E 648.
3. Size: 12 x 12 inch.
RESILIENT FLOORING
Harford County Public Schools
Prospect Mill ES HVAC Renovation
StudioJAED Project No. 15023
Bid Number HRM 16-2
Bid Documents
4.
5.
6.
7.
B.
RESILIENT FLOORING
09 65 00
January 12, 2016
VOC Content: Certified as Low Emission by one of the following :
a. GreenGuard Children and Schools; www.greenguard.org.
b. SCS Floorscore; www.scscertified.com.
Thickness: 0.125 inch.
Pattern: Solid color or marbleized. (1) field color w/ (3) color accent pattern.
Manufacturers:
a. Armstrong World Industries, Inc; _______: www.armstrong.com.
b. Substitutions: See Section 01 60 00 - Product Requirements.
Luxury Vinyl Tile: Homogenous Solid vinyl with color and pattern throughout thickness.
1. Minimum Requirements: Comply with ASTM F1700, Class I Type B
2. Critical Radiant Flux (CRF): Minimum 0.45 watt per square centimeter, when tested in
accordance with ASTM E 648 or NFPA 253.
3. VOC Content Limits: As specified in Section 01 61 16.
4. Tile Size: 18 by 18 inch.
5. Total Thickness:.120 inch.
6. Color: To be determined by architect
7. Series: Victory (Mineral Chip); Square Edge (SE); Frost (FR)
8. Manufacturers:
a. Tandus-Centiva; www.tandus-centiva.com.
b. Substitutions: See Section 01 60 00 - Product Requirements.
2.02 RESILIENT BASE
A.
Resilient Base: ASTM F 1861, Type TS rubber, vulcanized thermoset; top set cover and as
follows:
1. Critical Radiant Flux (CRF): Minimum 0.45 watt per square centimeter, when tested in
accordance with ASTM E 648 or NFPA 253.
2. Height: Match existing.
3. Thickness: 0.125 inch thick.
4. Finish: Matte.
5. Length: Roll.
6. Color: Color as selected from manufacturer's standards.
7. Accessories: Premolded external corners and end stops.
8. Manufacturers:
a. Burke Flooring; _______: www.burkemercer.com.
b. Johnsonite, a Tarkett Company; _______: www.johnsonite.com.
c. Roppe Corp; _______: www.roppe.com.
2.03 ACCESSORIES
A.
Subfloor Filler: White premix latex; type recommended by adhesive material manufacturer.
B.
Primers, Adhesives, and Seaming Materials: Waterproof; types recommended by flooring
manufacturer.
1. Provide only products having lower volatile organic compound (VOC) content than required
by the more stringent of the South Coast Air Quality Management District Rule No.1168
and the Bay Area Air Quality Management District Regulation 8, Rule 51.
C.
Flooring Adhesive:
1. Products:
a. Centi 2001 Wet Set, Centi 2000 EP, or other manufacturer LVT prefered adhesives..
b. Substitutions: Section 01 60 00 - Product Requirements.
D.
Moldings and Edge Strips: Rubber.
1. Products: manufactured by Roppe.
RESILIENT FLOORING
Harford County Public Schools
Prospect Mill ES HVAC Renovation
StudioJAED Project No. 15023
Bid Number HRM 16-2
Bid Documents
E.
Filler for Coved Base: Plastic or as recommended by manufacturer.
F.
Sealer and Wax: Types recommended by flooring manufacturer.
RESILIENT FLOORING
09 65 00
January 12, 2016
PART 3 EXECUTION
3.01 EXAMINATION
A.
Verify that sub-floor surfaces are smooth and flat within the tolerances specified for that type of
work and are ready to receive resilient flooring.
B.
Verify that wall surfaces are smooth and flat within the tolerances specified for that type of work,
are dust-free, and are ready to receive resilient base.
C.
Verify that sub-floor surfaces are dust-free and free of substances that could impair bonding of
adhesive materials to sub-floor surfaces.
3.02 PREPARATION
A.
Remove existing resilient flooring and flooring adhesives; follow the recommendations of RFCI
Recommended Work Practices for Removal of Resilient Floor Coverings.
B.
Prepare sub-floor surfaces as recommended by flooring and adhesive manufacturers.
C.
Remove sub-floor ridges and bumps. Fill minor low spots, cracks, joints, holes, and other
defects with sub-floor filler to achieve smooth, flat, hard surface.
D.
Prohibit traffic until filler is cured.
E.
Clean substrate.
F.
Apply primer as required to prevent "bleed-through" or interference with adhesion by substances
that cannot be removed.
3.03 INSTALLATION
A.
Starting installation constitutes acceptance of sub-floor conditions.
B.
Install in accordance with manufacturer's instructions.
C.
Spread only enough adhesive to permit installation of materials before initial set.
D.
Fit joints tightly.
E.
Set flooring in place, press with heavy roller to attain full adhesion.
F.
Where type of floor finish, pattern, or color are different on opposite sides of door, terminate
flooring under centerline of door.
G.
Install edge strips at unprotected or exposed edges, where flooring terminates, and where
indicated.
H.
Scribe flooring to walls, columns, cabinets, floor outlets, and other appurtenances to produce
tight joints.
3.04 TILE FLOORING
A.
Install in accordance with manufacturer's instructions.
B.
Mix tile from container to ensure shade variations are consistent when tile is placed, unless
manufacturer's instructions say otherwise.
C.
Spread only enough adhesive to permit installation of materials before initial set.
D.
Set flooring in place, press with heavy roller to attain full adhesion.
E.
Lay flooring with joints and seams parallel or as shown on plans to building lines to produce
symmetrical tile pattern.
F.
Install tile to basket weave pattern. Allow minimum 1/2 full size tile width at room or area
perimeter.
RESILIENT FLOORING
Harford County Public Schools
Prospect Mill ES HVAC Renovation
StudioJAED Project No. 15023
Bid Number HRM 16-2
Bid Documents
RESILIENT FLOORING
09 65 00
January 12, 2016
G.
Where floor finishes are different on opposite sides of door, terminate flooring under centerline
of door.
H.
Scribe flooring to walls, columns, cabinets, and other appurtenances to produce tight joints.
I.
Install flooring in recessed floor access covers. Maintain floor pattern.
3.05 RESILIENT BASE
A.
Fit joints tightly and make vertical. Maintain minimum dimension of 48 inches between joints.
B.
Miter internal corners. At external corners, use premolded units. At exposed ends, use
premolded units.
C.
Install base on solid backing. Bond tightly to wall and floor surfaces.
D.
Scribe and fit to door frames and other interruptions.
3.06 CLEANING
A.
Remove excess adhesive from floor, base, and wall surfaces without damage.
B.
Clean in accordance with manufacturer's instructions.
C.
Clean, seal, and wax resilient flooring products in accordance with manufacturer's instructions.
3.07 PROTECTION
A.
Prohibit traffic on resilient flooring for 48 hours after installation.
END OF SECTION
RESILIENT FLOORING
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